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Finding the Fourth Proportional to 10,944.30, 16,411.65 and 4,368.30

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Solution

The fourth proportional to 10,944.30, 16,411.65 and 4,368.30 is: 6,550.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,944.30 : 16,411.65 = 4,368.30 : x
  2. Step 2: Convert to fraction form
    10,944.30/16,411.65 = 4,368.30/x
  3. Step 3: Cross multiply
    10,944.30x = 16,411.65 × 4,368.30
  4. Step 4: Simplify right side
    10,944.30x = 71,691,010.70
  5. Step 5: Solve for x
    x = 71,691,010.70/10,944.30
  6. Step 6: Final answer
    x = 6,550.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.